CHAPTER XXVI 



SOME COMMON GAKDEN PESTS 



Doryphora decem-lineata — Colorado Potato 

 Beetle — is familiar to every child who has 

 worked in a garden. It hibernates in the ground 

 or in rubbish, and in the spring the female lays 

 from ^ve hundred to a thousand eggs, which 

 hatch in from five to seven days. The grubs are 

 full grown in two or three weeks and pupate in 

 the ground. The beetles appear in ten days. 

 As there are two or three broods a year, and 

 both beetles and grubs feed ravenously upon the 

 leaves, great care is required to keep them in 

 check. Apply Paris green, dry, or as a spray. 



Flea-beetles, which attack the leaves of pota- 

 toes and tomatoes, are small beetles which eat 

 many holes through the leaves. Spray with 

 kerosene emulsion or Bordeaux mixture. 



The larva of the Sphinx-Moth — Phlegethon- 

 tius celeus — is a serious enemy to the tomato- 

 plant. It is very large and does great damage. 

 It descends into the ground, where it transforms 

 into the pupa and hibernates. It is subject to 

 attacks of ichneumon-flies, and is often to be 



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